15052493 has 4 divisors (see below), whose sum is σ = 15307680. Its totient is φ = 14797308.

The previous prime is 15052489. The next prime is 15052507. The reversal of 15052493 is 39425051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15052493 - 2² = 15052489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127505 + ... + 127622.

It is an arithmetic number, because the mean of its divisors is an integer number (3826920).

Almost surely, 2^15052493 is an apocalyptic number.

It is an amenable number.

15052493 is a deficient number, since it is larger than the sum of its proper divisors (255187).

15052493 is an equidigital number, since it uses as much as digits as its factorization.

15052493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255186.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 15052493 is about 3879.7542447944. The cubic root of 15052493 is about 246.9085588733.

The spelling of 15052493 in words is "fifteen million, fifty-two thousand, four hundred ninety-three".